/Engine/Source/Runtime/GameplayTags/Classes/GameplayTagsManager.h
Returns "Categories" meta property from given handle, used for filtering by tag widget
[FString](API\Runtime\Core\Containers\FString) GetCategoriesMetaFromPropertyHandle ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< class [IPropertyHandle](API\Editor\PropertyEditor\IPropertyHandle) > PropertyHandle ) const